Inventor · disambiguated record
Ryo Hirayama
Also filed as: HIRAYAMA RYO
4 granted patents·2 pending applications·17 citations·filing 1993–2023
71Inventor score
Top patents by PatentIndex Score
6 records- 0158US2024154958A1Electronic information processing system, electronic information processing method, and programSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 0238US5771333AVideo signal emphasis and deemphasis method and apparatusVICTOR COMPANY OF JAPAN·Filed 1996·Granted Jun 23, 1998·8 cites·27 claims
- 0334US2004073610A1Contents reproducing systemFiled 2003·Application pending·0 cites
- 0429US5526136AMethod and apparatus for reproducing a video signal subject to pre-emphasisVICTOR COMPANY OF JAPAN·Filed 1993·Granted Jun 11, 1996·4 cites·3 claims
- 0528US5517322AApparatus for recording and reproducing video signals with preemphasis and deemphasis processesVICTOR COMPANY OF JAPAN·Filed 1995·Granted May 14, 1996·3 cites·2 claims
- 0627US5671066AApparatus for recording and reproducing video signals with preemphasis and deemphasis processesVICTOR COMPANY OF JAPAN·Filed 1996·Granted Sep 23, 1997·2 cites·3 claims
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